<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>匹配字符串</title>
</head>
<body>
	He is a good boy.
	This is a test.
	Where are you?
	Display is also a noun.
	isn't it?
	What is your name?


	正则匹配：\bis\b
</body>
</html>